Investigating capacity and performance issues in systems

Investigate enables you to generate charts or tables to view and monitor the performance issues by using the required metrics. You can save these charts or tables as an investigate study. 

You can launch the study to view the related metrics in charts or tables. You can drill down to specific systems and metrics of interest, and perform  root-cause analysis for any capacity or performance issues.

Typically investigate is used to analyze near real-time data, and short-term history data to address any capacity and performance bottlenecks in your environment.

To access Investigate studies in a study group

  1. In the TrueSight console, select  > Capacity > Investigate.
    The Investigate page is displayed.
  2. In the Investigate studies table, click the name of the required study group.
    The study group page is displayed with the list of studies available in the study group.

To access an Investigate study

  1. In the TrueSight console, select  > Capacity > Investigate.
    The Investigate page is displayed.
  2. In the Investigate studies table, click the name of the required investigate study.
    OR
    In the navigation tree click the name of the required study group and click for the required Investigate study.
    The Investigate study is displayed with data in table or chart depending on whether the select study is saved as a table or chart.
  3. (Optional): Perform the required task:
    • For study saved as a table, to view charts by plotting metrics against time, select the required rows for the required systems, and click View charts. Select the required columns and click Select.
      The operation might take a few seconds to retrieve the data. 
      Chart for the selected systems and metrics is displayed in the Investigate study. By default, the chart for data points in the last one hour is displayed. You can also click Define period, to view the chart for other time intervals.
    • For study saved as a table, to view table click View table. The table is displayed in the Investigate study.

To view granular (one second) data in study or study group

You can configure a system to collect granular (one second) data by modifying the value of the SAMPLING INTERVAL parameter to 1 in the Repository.cfg file. For more information, see Configuring the Capacity Agent to collect data at a greater granularity.

The support for data collection at a greater granularity is added to Capacity Agent 11.3.01.

When you select such system in the study, the pagination is applied in the chart, and data is displayed in multiple pages. Use the arrow buttons to navigate between pages. You can configure the interval span for pagination using the study group Settings page. For example, if you have set the interval span as 60 minutes, the 3600 data points are displayed on each page.

If you select multiple systems in the study, the pagination is applied based on their configurations:

  • All or at least one system with the one second configuration, the pagination is applied. 
  • All systems with ten second data, the pagination is not applied.  

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